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【单选题】
2007年6月10日签订某纺织品购销合同，合同约定买方于2007年6月17日先付 30%的预付款，2007年6月30日卖方将货物送至买方所在地，买方同时给付剩余货款。 2007年6月12日卖方发生水灾，冲毁纺织品仓库，2007年6月25日卖方要求买方履行给付预付款的义务，买方拒绝履行，这是买方的( )。
A.
履行抗辩权
B.
异时履行抗辩权
C.
后履行抗辩权
D.
不安抗辩权
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【单选题】Why does the professor mention McDonald's?
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也可逆
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